42021821 (number)

42021821 is an odd 8-digits composite number following 42021820 and preceding 42021822. In scientific notation, it is written as 4.2021821 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 41345712 positive integers (up to 42021821) that are relatively prime to 42021821.

Interesting facts

Basic properties

Name

Name forty-two million twenty-one thousand eight hundred twenty-one

Notation

Scientific notation 4.2021821 × 10^7
Engineering notation 4.2021821 × 10^6

Prime Factorization of 42021821

Prime Factorization 83 × 283 × 1789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42021821
Product of the distinct prime numbers

The prime factorization of 42021821 is 83 × 283 × 1789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42021821)

Multiplication

n×y
n×2 84043642
n×3 126065463
n×4 168087284
n×5 210109105

Division

n÷y
n÷2 21010910.5
n÷3 14007273.666667
n÷3 10505455.25
n÷5 8404364.2

Exponentiation

ny
n2 1765833440156041
n3 7.4203536738051E+22
n4 3.1181677383733E+30
n5 1.310310865499E+38

Nth Root

y√n
2√n 6482.4240064963
3√n 347.66285277852
4√n 80.513502013615
5√n 33.473025910673

Divisors of 42021821

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -42021820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42021821 can be divided by 8 positive divisors. The sum of these divisors (counting 42021821) is 1, the average is 0.125.

Base conversion 42021821

Base System Value
2 Binary 10100000010011001110111101
3 Ternary 2221001221002202
4 Quaternary 2200103032331
5 Quinary 41224144241
6 Senary 4100401245
8 Octal 240231675
10 Decimal 42021821
12 Duodecimal 120a6225
16 Hexadecimal 28133bd
20 Vigesimal d2ceb1
36 Base36 p0o8t

Cryptographic Hash Functions

md5 5145bf06b4fd8fc9235d0073ca86a496
sha1 30a4d5b227d0aa7e0892aab5b524174f0a10bf03
sha256 240cd642f4aaefcbd8f9a13a786326df558f332e22c294229e335be437271515
sha512 69895237050c5c950491d3da193036952d1733d49334a24a0ad17db4afe353402d3f62eb409040b91d01165d8a9cfb0c1fa75acb4129a03814ff9cdf1042bc04
ripemd-160 405cbbb552a27f41f9e417cee92c790c3120efcc

42021821 as geometric shapes

Circle

Radius = n
Diameter 84043642
Circumference 264030888.28813
Area 5.5475293630574E+15

Sphere

Radius = n
Volume 3.1082304784886E+23
Surface area 2.219011745223E+16
Circumference 264030888.28813

Square

Length = n
Perimeter 168087284
Area 1765833440156041
Diagonal 59427829.173815

Cube

Length = n
Surface area 10595000640936246
Volume 7.4203536738051E+22
Space diagonal 72783928.998565

Equilateral Triangle

Length = n
Perimeter 126065463
Area 7.646283090136E+14
Altitude 36391964.499282

Triangular Pyramid

Length = n
Surface area 7.646283090136E+14
Volume 8.7449706692502E+21
Height 19809276.391272